Home / 490.92-736.50-166.29

Finding the Fourth Proportional to 490.92, 736.50 and 166.29

Calculator

Solution

The fourth proportional to 490.92, 736.50 and 166.29 is: 249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490.92 : 736.50 = 166.29 : x
  2. Step 2: Convert to fraction form
    490.92/736.50 = 166.29/x
  3. Step 3: Cross multiply
    490.92x = 736.50 × 166.29
  4. Step 4: Simplify right side
    490.92x = 122,472.59
  5. Step 5: Solve for x
    x = 122,472.59/490.92
  6. Step 6: Final answer
    x = 249.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.